diff --git a/pyproject.toml b/pyproject.toml
index 123610be..40c1548f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "langbot"
-version = "4.5.3"
+version = "4.5.4"
 description = "Easy-to-use global IM bot platform designed for LLM era"
 readme = "README.md"
 license-files = ["LICENSE"]
diff --git a/src/langbot/__init__.py b/src/langbot/__init__.py
index ca03d526..e93aab06 100644
--- a/src/langbot/__init__.py
+++ b/src/langbot/__init__.py
@@ -1,3 +1,3 @@
 """LangBot - Easy-to-use global IM bot platform designed for LLM era"""
 
-__version__ = '4.5.3'
+__version__ = '4.5.4'